<!DOCTYPE html>
<html lang="zh">
  <head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width,initial-scale=1.0">
    <meta http-equiv="pragram" content="no-cache">
    <meta http-equiv="cache-control" content="no-cache, no-store, must-revalidate">
    <meta http-equiv="expires" content="0">
    <meta http-equiv="X-UA-Compatible" content="edge" />
    
    <!-- <meta http-equiv="Content-Security-Policy" content="upgrade-insecure-requests" />  使用META标签强制将http请求转成https(SSL协议)请求-->
    <title></title>
    <!-- 最新无痕验证 -->
    <!-- <script src="https://g.alicdn.com/AWSC/AWSC/awsc.js"></script> -->
    <!-- 外网ip -->
    <!-- <script src="https://pv.sohu.com/cityjson?ie=utf-8"></script> -->
    <script>
      // sessionStorage.setItem('cityjson_cip',returnCitySN['cip'] || '')
      let href = window.location.href;
        if (href.indexOf("https") != -1) {
          let url = "\<script src=\'./sdk.js\'>\<\/script\>";
          document.write(url);
        } 
    </script>
  </head>
  <body>
    <div id="app"></div>
    <!-- built files will be auto injected -->
  </body>
</html>
